Gate for gravity carriers



F. A. RIDER.

GATE FOR GRAVITY CARRIERS. APPLICATION men 001.29, 1918. RENEWED NOV.30. 1921.

1,418,024. atented May 30, 1922..

l/VYFNT'OR FRED H. R ER ATTORNEYS sass GATE FOR GRAVITY CARRIERS.

To all who/nit wulq concern.

Be it known that I, FRED A. RIDER, a citi- Zen of the United States,resident of Endicott, county of Brooms i tate of New York, have inventedcertain new and useful Improvements in Gates for Gravity Carriers, ofwhich the following is a specification.

In the operation ofa long line gravity carrier in a warehouse or yard,it is often desirable to cross the line in moving articles from place toplace and such crossing is found to be inconvenient, particularly wherethe carrier is raised above the ground or floor line. The object,therefore, of my present invention is to provide a gate section in theline so mounted that it can be easily moved to provide an unobstructedpassage across the line through which trucks and packages of variouskinds may be moved.

The invention consists generally in various constructions andcombinations, all as hereinafter described and particularly pointed outin the claims.

In the accompanying drawings forming part of this specification,

Figure 1 is a plan view of a portion of a line gravity carrier with myinvention applied thereto,

Figure 2 is a side elevation of the same,

Figure 3 is a detail view of the treadle device by means of which thelocking latch of the gate is operated.

In the drawing, 2 represents the side rails of a gravity carrier of anyparticular or preferred construction, having anti-friction rollers 3mounted therein. I have shown the carrier divided transversely toprovidev a gap or opening between the sections in which the gate whichforms the subject matter of my invention is mounted. The standards 4sup-- port the carrier rails and rollers and similar standards 5 aremounted on each side of the carrier and held by suitable braces 6 in anupright position. 7 represents the side rails of the gate, held inparallel relation by cross bars 8 and having bearings for rollerscorresponding to those described with reference to the carrier sections.The gate is pivoted on the standards 5 by means of bolts 9 at one sideof the transverse center of the gate, so that when it is raised to itsupright position an unobstructed space will be formed between thestandards 5 and the carrier section at the other end of the gate. Theshorter section of the gate is provided with a counter-balance 10 ofsufiicient weight to Specification of Letters Patent. Patented Mi 39192:)

Application filed October 29, 1918, Serial No. 269,184. Renewed November30, 1921.

Serial No. 519,029.

balance the longer section, which bridges the I space between thestandards 5 and the can rier section and normally this counter-balancetends to raise the gate to the dotted line'position shown in Figure 2. Alatch 11 is slidable in guides 12 on the underside of the gate and isnormally projected beyond the end of the gate by a spring 13 and the endof said latch is beveled, so that when it strilresthe cross bar of thecarrier section when the gate descends it will be pressed back againstthe tension ofsaid spring until it clears the carrier section, when thespring will again project it to engage the underside of the section andthereby lock the gate against upward movement. A shaft 14: is mounted inhangers 15 on said gate near the standards 5 and provided with pulleys16 over which cables 17 pass to the latch 11. A treadle 17 is centrallypivoted at 18 near the base of the standards 5 and has its endsconnected to the cables 17 and is provided with a horizontallyprojecting flange 19 in position to receive the foot of the operator torock the treadle and disengage the latch from the carrier section. Thistreadle may be operated from either side of the carrier and when thelatch is released the counterbalance will raise the gate to its openposition. I preferto mount the latch centrally on the gate and arrangethe pulleys 16 at each end of the shaft 14, said pulleys havingpreferably comparatively wide faces to allow the angularly arrangedcables to slide thereon and accommodate themselves to the diiferentpositions of the latch.

To close the passage and resume the use of the carrier, it is onlynecessary to swing the gate down until the latch engages the undersideof the adjacent section, when the gate will be locked in alignment withthe carrier sections and form a continuous car rier therewith.

I claim as my invention:

1. The combination, with a gravity carrier comprising sections having atransverse gap forming a passageway between them, of a carriersectionpivotally supported intermediate to its ends between saidsections, one end of said pivoted section having a counterbalance fortilting the other end of the section upwardly when the section isreleased, and means for normally locking said pivotedsection inalignment with the other sections of the carrier.

2. The combination, with a gravity carrier sections having a transversegap forming a'passageway between them, of a pivoted section normallybridging the gap between said carrier sections, the pivot of saidsection being intermediate to one end and the middle portion thereof,the shorter end of said section having a counter-balance thereon and theopposite end thereof having means for locking said pivoted sectionagainst upward movement.

3. The combination, with a gravity carrier comprising fixed carriersections hav ing a transverse gap forming a mssage-way between them, ofa carrier section pivotally supported in said gap and normally bridgingthe same to form a continuation of the carrier, a counter-balancenormally tending to tilt said pivoted section to an upright position andexpose the opening across the carrier, a spring actuated latch devicefor nor mally lockling said pivoted section in its horizontal position,and a treadle connected With said latch device for tripping it to.

ported near one endin said gap and nor-' mally forming ahorizontalcontinuation of the carrier, a Weight normally tending toswing said pivoted section to an upright position, a spring-actuatedlatch for locking said pivoted section in its horizontal position, atreadle bar centrally pivoted near the ground line and adapted to berocked from either side'ol the carrier cables connecting said treadlebar with said spring-actuated latch, and sheaves supporting said cables.

In Witness whereoihl have hereunto set my hand this Oday of October,1918.

FRED A. RIDER l/Vitness 1 7 CHARLES P. 'KNIG T.

